This paper describes the Active Reading task, a recent addition to the INEX Book Search track1 . This task aims at exploring how people interact with e-books in different scenario...
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Abstract. Personal Information Management (PIM) systems aim to provide convenient access to all data and metadata on a desktop to the user itself as well as the co-workers. Obvious...
Ekaterini Ioannou, Juri Luca De Coi, Arne Wolf Koe...
We describe a novel approach for building a secure and fault tolerant data storage service in collaborative work environments, which uses perfect secret sharing schemes to store d...
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...